Can Delicate Blue-Eye and Xenotilapia ochrogenys Live Together?
Delicate Blue-Eye and Xenotilapia ochrogenys are not recommended as tank mates due to conflicting pH requirements. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.
At a Glance
Can your tank handle Delicate Blue-Eye and Xenotilapia ochrogenys?
Compatibility is only part of the answer. Test both fish with your real tank size, current stock, and maintenance needs to see if you have enough space and a safe stocking level before you add them.
Behaviour & Temperament
Delicate Blue-Eye is a peaceful species (1/10), while Xenotilapia ochrogenys is generally mild-mannered (4/10). This modest difference means Xenotilapia ochrogenys may occasionally assert dominance over Delicate Blue-Eye.
In terms of spatial distribution, Delicate Blue-Eye prefers the Top (Surface) and Middle (Open Water) zones, whereas Xenotilapia ochrogenys occupies the Bottom (Substrate) zone. Because they use different levels of the water column, territorial disputes are less likely and the tank will appear more balanced.
Worth noting: Delicate Blue-Eye is a known jumper, so a tight-fitting lid is essential.
Water Parameters
The safe temperature window for both species falls between 25°C and 28°C. Aim for the midpoint of this range (around 26.5°C) for optimal comfort.
The pH requirements of Delicate Blue-Eye (5–7.5) and Xenotilapia ochrogenys (8–9) do not overlap, making it impossible to satisfy both species simultaneously.
For general hardness, the shared comfort zone is 10–15 dGH. Regular testing will ensure conditions stay within this range.
Tank Setup
To house Delicate Blue-Eye and Xenotilapia ochrogenys together, plan for an aquarium of at least 253 litres with a minimum length of 120 cm. This recommendation combines the stricter species minimums with a community-load allowance so the pairing has realistic long-term space and filtration headroom.
Providing a mix of open swimming space and sheltered areas with rocks, driftwood, or plants will keep both species comfortable and allow natural behaviour.
Specific environmental needs for this combination include: Plants - Densely covered, Plants - Floating, Sand (Sifters), Smooth Gravel (Sensitive Barbels). Meeting these requirements will help both species thrive.
Both species do well with moderate (standard) water movement, so a standard filtration setup rated for the tank volume should suffice.
Why This Pairing Usually Fails in Practice
Delicate Blue-Eye and Xenotilapia ochrogenys are the kind of pair that can look acceptable in a shop but become a maintenance problem at home. The main risk is not a single number in the chart; it is the way incompatible behavior, water needs, or pressure on space compounds over time once both fish are established in the same tank.
Suitable Tank Sizes
Standard aquarium sizes large enough for both Delicate Blue-Eye and Xenotilapia ochrogenys.
75 Gallon Standard
90 Gallon Standard
125 Gallon Standard
150 Gallon High
180 Gallon Standard
350 Liter (120cm Deep)
Show 1 more tank size
Frequently Asked Questions
Can Delicate Blue-Eye and Xenotilapia ochrogenys live together?
No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.
What size tank do Delicate Blue-Eye and Xenotilapia ochrogenys need?
A minimum of 253 litres (tank length at least 120 cm) is recommended. This provides enough space for both species to establish their own areas and reduces the likelihood of territorial disputes.
What water temperature is best for Delicate Blue-Eye and Xenotilapia ochrogenys together?
Keep the aquarium between 25°C and 28°C. A target of around 26.5°C sits comfortably within both species' preferred ranges.
Are Delicate Blue-Eye or Xenotilapia ochrogenys aggressive?
Delicate Blue-Eye is peaceful (1/10) and Xenotilapia ochrogenys is generally mild-mannered (4/10). Their similar temperaments generally lead to a peaceful coexistence.
What pH do Delicate Blue-Eye and Xenotilapia ochrogenys need?
Their pH requirements do not overlap. Delicate Blue-Eye prefers 5–7.5, while Xenotilapia ochrogenys needs 8–9. This makes them incompatible in the same water chemistry.
Shared setup supplies
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Guidarium Editorial Desk
Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.
- Last reviewed
- May 11, 2026
- Last updated
- May 11, 2026
- Issues or corrections?
- Contact the editorial team
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